Home / 31,784.96-43,863.28-17,637.80

Finding the Fourth Proportional to 31,784.96, 43,863.28 and 17,637.80

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Solution

The fourth proportional to 31,784.96, 43,863.28 and 17,637.80 is: 24,340.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,784.96 : 43,863.28 = 17,637.80 : x
  2. Step 2: Convert to fraction form
    31,784.96/43,863.28 = 17,637.80/x
  3. Step 3: Cross multiply
    31,784.96x = 43,863.28 × 17,637.80
  4. Step 4: Simplify right side
    31,784.96x = 773,651,759.98
  5. Step 5: Solve for x
    x = 773,651,759.98/31,784.96
  6. Step 6: Final answer
    x = 24,340.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.